HP 564 Economy Black Ink Cartridge (B3B11AN) for HP Deskjet 3520 3521 3522 3526 HP Officejet 4610 4620 4622 HP Photosmart: 5510 5512 5514 5515 5520 5525 6510 6512 6515 6520 6525 7510 7515 7520 7525 B8550 C6340 C6350 D7560 C510 B209 B210 C309 C310 C410 C510 HP 564 ink cartridges work with: HP Deskjet 3520, 3521, 3522, 3526. HP Officejet 4610, 4620, 4622. HP Photosmart: 5510, 5512, 5514, 5515, 5520, 5525, 6510, 6512, 6515, 6520, 6525, 7510, 7515, 7520, 7525, B8550, C6340, C6350, D7560, C510, B209, B210, C309, C310, C410, C510 Get up to twice as many pages with HP vs. with refills. Cartridge yield (approx.): 235 pages Original HP ink cartridges: genuine ink for your HP printer. Color: Black